Properties of the Number -102728

One Hundred Two Thousand Seven Hundred Twenty-Eight

Basics

Value: -102729 → -102728 → -102727

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 12841

Divisors: 1, 2, 4, 8, 12841, 25682, 51364, 102728

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11001000101001000

Octal: -310510

Duodecimal: -4B548

Hexadecimal: -19148

Square: 10553041984

Square Root: 320.51209025557836

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Largest k such that prime(n) divides the numerator of the k-th harmonic number (=A001008(k)). A177734

Irregular triangle in which row n has numbers k such that prime(n) divides A001008(k), the numerator of the k-th harmonic number. A229493